Home / 665,098.43-917,835.83-359,174.79

Finding the Fourth Proportional to 665,098.43, 917,835.83 and 359,174.79

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Solution

The fourth proportional to 665,098.43, 917,835.83 and 359,174.79 is: 495,661.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,098.43 : 917,835.83 = 359,174.79 : x
  2. Step 2: Convert to fraction form
    665,098.43/917,835.83 = 359,174.79/x
  3. Step 3: Cross multiply
    665,098.43x = 917,835.83 × 359,174.79
  4. Step 4: Simplify right side
    665,098.43x = 329,663,494,109.03
  5. Step 5: Solve for x
    x = 329,663,494,109.03/665,098.43
  6. Step 6: Final answer
    x = 495,661.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.